气体的

Flame arrestor is a safety device which shell be used in preventing combustion in pipe Generally F.A.is installed in pipe for running or vent pipe such as torch assembly,heating process furnace, oil gas recovery and other combustiblegas systems.

阻火器是用来阻止易燃气体、液体的火焰蔓延和防止回火而引起爆炸的安全装置。通常在输送或排放易燃易爆气体的储罐和管线上。如火炬、加热燃烧系统、石油气体回收系统或其它易燃气体系统。

Using self-made coal oxidation device,the low temperature oxidation experimental for brown coal,bituminous coal and anthracitic coal has been made.

利用自制煤氧化装置，对褐煤、烟煤和无烟煤进行低温氧化实验，结果表明，不同煤样，低温氧化产生的气体及温度不同，气体的生成量与氧化温度呈指数关系，其相关性很好；揭示了煤的低温氧化过程气体浓度与温度变化特征，提出多标志气体进行煤自燃早期预测预报。

The disclosed combined detection method for high-pure SO3 gas with SO2 as impurity comprises: constant-volume sampling at least 60Deg better 60-80Deg to avoid liquidation of SO3, absorbing with alkali solution to obtain total volume percentage concentration of high-pure SO3 gas and SO2; processing the absorbed liquid, using iodometric method to obtain SO2 volume percentage concentration and then the SO3 concentration.

一种高纯度SO 3 气体及其中杂质SO 2 气体浓度联合检测的方法，包括用吸收装置进行定容采样，然后用碱溶液吸收，得到高纯度SO 3 气体及其中杂质SO 2 气体的总体积百分浓度，再对吸收液进行处理后，采用直接碘量法测得SO 2 气体的体积百分浓度，将高纯度SO 3 气体及其中杂质SO 2 气体的总体积百分浓度减去SO 2 气体的体积百分浓度即为高纯度SO 3 气体浓度，其所述吸收装置进行定容采样时，是在至少60℃以上的热环境中进行的。

The model successfully describes the breakdown characteristics of SF〓 as a function of impulse wavefront according to the predischarge process obtained by a current probe. It also shows promise to be applicable to the flashover of spacers in SF〓 and the discharge in SF〓 mixture.

结合由电流探头测得的冲击电压下SF〓气体的预放电过程，该模型成功地解释了SF〓气体击穿特性随冲击电压波头时间而变化的规律，而且该模型也适用于SF〓气体中绝缘子沿面闪络和SF〓混合气体放电。

Are specializing in the design, production of industrial equipment and auxiliary gas, dissolved acetylene equipment (seamless, welding, dissolved acetylene, liquefied petroleum, natural gas and other gas cylinders) Chemical Equipment and accessories, all kinds of gas Filling Units, bus high-purity, specialty, medical gas cylinder seamless vacuum devices do bath, stainless steel PTFE metal software, bellows, industrial gas high, medium pressure valves, the fittings in the gas, industrial gases pallets, providing liquid oxygen, liquid nitrogen, liquid argon, liquefied petroleum, liquefied natural gas, two ice machines, to undertake air separation, acetylene equipment¨and renovation project as well as standard gas, mixed gases, specialty gases, high purity gases configuration and installation industry.

丹阳市荣发气体设备有限公司是专门设计，生产工业气体设备及辅机，溶解乙炔成套设备（无缝，焊接，溶解乙炔，液化石油，天然气等气瓶）化工设备及配件，各种气体充灌台，汇流排高纯，特种，医用气体无缝气瓶真空干澡装置，不锈钢四氟金属软件，波纹管，工业气体高，中压阀门，各中气体配件，工业气体集装架，提供液氧，液氮，液氩，液化石油，液化天然气，二冰机，承接空分，乙炔设备建站及改造工程以及标准气体，混合气体，特种气体，高纯气体的配置工业及装置等。

Products covered by the company dewpoint meter / dew point transmitter, portable / fixed toxic gas detector, combustible gas detector, gas detector-one, ambient air quality monitoring / surveillance systems, a variety of toxic and hazardous gas monitoring and analytical instruments, sensors and anemometer wind speed, wind direction and wind direction sensors and instruments, gas analyzers / smoke detector and so on.

公司产品涵盖了露点仪/露点变送器、便携式/固定式有毒气体检测仪、可燃性气体检测仪、五合一气体检测仪、环境空气质量监测仪/监测系统、各种有毒有害气体的监测及分析仪器、风速传感器及风速仪、风向传感器及风向仪、气体分析仪/烟气检测仪等。

In diesel engine cylinder, the piston part of the cycle in the compressed gases, and in another part of the work cycle of the combustion gas mixture within the cylinder so the piston top surface expansion high pressure (about 116 ~ 120Kgf/cm2)°under high temperature (about 569°C) gas role, and the pressure through the piston pin, connecting rod to the crankshaft.

在柴油机气缸内，活塞在一部分工作循环压缩气体，而在另一部分工作循环气缸内混合气体燃烧膨胀使活塞顶面承受高温（约569°C）高压（约116～120Kgf/cm2）气体的作用，并把压力通过活塞销、连杆传给曲轴。

Concentration measurement of NO gas by folded BOXCARS

对 NO气体的特性进行了研究，在不同浓度下，得到了 NO气体对光的吸收谱和某一波长下 NO气体吸收率随气体浓度、光程的变化特性。

On the basis of the concept of perfect quantum gas, a physical model of extreme relativity is established for perfect quantum gas, and also according to the conclusions of the state density of the extreme theory of relativity, the densities of quantum statistics′ particle numbers and energy, the extreme relativity′s result of the enthalpy、internal energy and heat capacity of the perfect quantum gas is obtained under the high temperature by strict theory inference.

在理想量子气体概念的基础上，首先建立极端相对论理想量子气体的物理模型；再根据极端相对论的态密度和量子统计的粒子数、能量的密度结论，通过严格的理论推导，得出理想量子气体在高温条件下的极端相对论性的焓、内能和热容量的结果，并将其热容量与高温条件下的理想量子气体、经典理想气体的热容量对比，指出极端相对论与非相对论两种模型、理想量子气体与经典理想气体两种模型的热容量之间的差异，同时分析这些差异的物理原因在于各自气体模型的态密度以及对应体系的波函数的对称性；最后阐明高温条件下极端相对论理想量子气体的热容量在量子统计方面的先进性及应用前景。

Finally it clarifies the advance in quantum statistics and the practical prospect of heat capacity of the extreme relativity's perfect quantum gas under high tamperature.

摘 要：在理想量子气体概念的基础上，首先建立极端相对论理想量子气体的物理模型；再根据极端相对论的态密度和量子统计的粒子数、能量的密度结论，通过严格的理论推导，得出理想量子气体在高温条件下的极端相对论性的焓、内能和热容量的结果，并将其热容量与高温条件下的理想量子气体、经典理想气体的热容量对比，指出极端相对论与非相对论两种模型、理想量子气体与经典理想气体两种模型的热容量之间的差异，同时分析这些差异的物理原因在于各自气体模型的态密度以及对应体系的波函数的对称性；最后阐明高温条件下极端相对论理想量子气体的热容量在量子统计方面的先进性及应用前景。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。